0 dorm room turned up a black jacket and white hat, similar to the surveillance photos. investigators also want to question tsarnaev's wife. she later converted to islam, dropped out of college and had a child with him. her attorney has said she had no suspicions that her husband might be plotting an attack. meanwhile, hundreds of people stood in silence at 2:50 p.m. one week after the bombings. president obama marked the moment of silence from the white house. the u.s. senate held a similar tribute on capitol hill. it is still unclear what impact the boston bombings will have on the immigrati...